energetic
adj.adj. having or showing a lot of energy and excitement. You use this to describe people who are very active or things that involve a lot of movement.
adj. characterised by high levels of physical or mental activity, vitality, or force. Often used to describe a person's temperament or the vigorous nature of an action.
The children are very energetic after their nap.
The team gave an energetic performance that kept the audience cheering until the very end.
Despite the long hours, the CEO remained energetic, leading the final strategy session with the same intensity she had shown at dawn.
From New Latin energeticus (16th c.), or its source, Ancient Greek ἐνεργητικός (energētikós), from ἐνεργέω (energéō, “to be active”), from ἐνεργός (energós, “active”). By surface analysis, energy + -etic.
Possibly from a clipping of energetic materials.
Typically precedes a noun or follows a linking verb like 'be', 'seem', or 'feel'.